Harpie's Pet Dragon (Forbidden Memories) [FMR-002] Prismatic Secret Rare Shadows in Valhalla Once per turn: You can

Once per turn: You can change this card to face-down Defense Position

up to the number of "Gravekeeper's" monsters Tributed for its Summon

Monsters your opponent controls cannot target face-up "Yosenju" monsters for attacks

also negate the activated effects of monsters that were in Defense Position when that effect was activated

Harpie's Pet Dragon (Forbidden Memories) [FMR-002] Prismatic Secret Rare Shadows in Valhalla Once per turn: You canSet: Video Game Promotional Cards Card type: Effect Monster Rarity: Prismatic Secret Rare Attack: 2000 Defense: 2500 Increases the ATK and DEF of this card by 300 points for each face up "Harpie Lady" on the field.